If you’ve ever watched a scene where Colonel Hans Landa switches flawlessly from French to English to intimidate a farmer, only to realize your player isn’t showing the French translation, you aren't watching the movie the way Tarantino intended.
Many pirated copies and even some official digital releases suffer from "forced subtitle track" errors. The player might show subtitles for everything (including English audio) or nothing at all. In the worst cases, you hear German or French but see no translation—only the English dialogue is shown on screen. inglourious basterds 2009 subtitles patched